Frequency
Intensity of sound depends on its frequency. The human ear is more sensitive to the middle part of the audible range. Thus, a sound of a frequency in the middle of the audible range will appear to be louder than the sound of a frequency near the ex..
Operating Range
The energy of a wave depends upon its frequency. The greater the frequency of the wave, the greater is the energy possessed by it. As the audio signal frequencies are small, these cannot be transmitted over large distances if radiated directly into space. The only pra..
Range of Hearing
Range of Hearing - Sound waves are emitted from a vibrating source and transmitted through air. The human ear can hear sound waves in the range 20 Hz and 20 KHz. This range is known as audible range. The sound waves having frequencies above the audi..
Frequency Distribution
Frequency Distribution - A teacher gave a test to a class of 26 students. The maximum mark is 5. The marks obtained by the pupils are: Such data as above is called ungrouped (or raw) data. We may arrange the marks in ascending or descending order. The data so represented is called an arra..
Frequency Distribution - A teacher gave a test to a class of 26 students. The maximum mark is 5. The marks obtained by the pupils are: Such data as above is called ungrouped (or raw) data. We may arrange the marks in ascending or descending order. The data so represented is called an arra..Using the histogram, construct a frequency polygon.
Using the histogram, construct a frequency polygon. => Graph 1 or neither Graoh 1 nor Graph 2 or Graph 2 or both Graph 1 and Graph 2..
The audible frequency range of a dog is 25 Hz to 50000 Hz. Write an in..
The audible frequency range of a dog is 25 Hz to 50000 Hz. Write an inequality to describe the frequency range of f . => 25 ≤ f ≤ 50000 or 25 < f < 50000 or 25 < f ≤ 50000 or 25 ≤ f < 50000..
Frequency bands in radio wave communication
With reference to the frequency range, the radio waves are classified as unde..
Experiment to determine the frequency of a tuning fork using a sonometer (absolute method)
. When it is at rest, on placing the vibrating tuning fork on the sound box, the paper rider is found to vibrate vigorously and may be thrown off. The resonating length AC = L is measured using a metre scale. The experiment is repeated by gradually increasing the load W 2 in steps of 1Kgw..
. When it is at rest, on placing the vibrating tuning fork on the sound box, the paper rider is found to vibrate vigorously and may be thrown off. The resonating length AC = L is measured using a metre scale. The experiment is repeated by gradually increasing the load W 2 in steps of 1Kgw..The cumulative frequency for the distribution of the distance (in mile..
The cumulative frequency for the distribution of the distance (in miles) that 20 randomly selected runners ran during a week is given in the ogive. Find the interquartile range for the data by constructing a box plot. => 18.5, Figure 2 or 11.2, Figure 2 or 23.5, Figure 1 or 12, ..
Use the frequency table to find the number of students having 3 chocol..
Use the frequency table to find the number of students having 3 chocolates. => 4 or 5 or 3 or 6..
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